A new genetic study has found four different types of breast cancer. Experts say this explains why drugs used to treat one form of breast cancer may not work to cure another form. The findings are the latest results of a large cancer-gene mapping project called the Cancer Genome Atlas. 一项新的基因研究发现了四种不同类型的乳腺癌,专家说这解释了为什么有些药物对治疗一种乳腺癌有效而对另一种乳腺癌可能无效.这项发现是一项名为"癌症基因组图谱"的大型癌症基因绘图工程的一项最新成果.
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money for the research comes from the united states governments national cancer institute.
the project began in 2006, organizers set a goal by identifying the ... of more than 200 huamn cancers